Shimoda Medium DSLR Core Unit V2Shimoda Medium DSLR Core Unit V2 The Medium DSLR Core Unit V2 integrates seamlessly with the side access of the Action X50 backpack, and it will also fit in every available Shimoda backpack and roller with the exception of the Action X30. It includes all the popular features of our Core Unit system, including EVA laminated dividers and sidewalls, a lightweight and versatile removable skin, and an aluminum frame to add extra rigidity and support. The